Denial of Service (DoS) Attacks: A Nightmare for eCommerce

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Denial of Service (DoS) Attacks A Nightmare for
eCommerce

• Jearanai Muangsuwan
• Strayer University

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Agenda

• DoS Attacks What are they?
• Distributed Denial of Service Attacks
• DoS Attacks Smurf Attacks, TCP SYN Attacks, UDP
  Attacks, TCP Attacks, Teardrop
• DDoS Attacks Floodnet, Trin00, Tribal Flood
  Network
• The Impact of DoS Attacks on the Enterprise
• Defending Against DoS Prevention through
  Policies and Actions, Response to an Attack
• What the Future Holds

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DoS Attacks What are they?

• DoS Attacks are an explicit attempt by hackers
  to prevenbt access to any service that a network
  offers

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Distributed Denial of Service Attacks

• IP Spoofing
• Network Flooding

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DoS Attacks

• Smurf Attacks
• TCP SYN Attacks
• UDP Attacks
• TCP Attacks
• Teardrop

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DDoS Attacks

• Floodnet
• Trin00
• Tribal Flood Network

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The Impact of DoS Attacks on the Enterprise

• Property Damage
• Consulting
• IT department productivity loss
• Productivity loss in other departments
• Damage to the corporate reputation
• Revenue loss
• Customer relationships

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Defending Against DoS

• Security Policy
• Use of secure operating systems
• Install firewalls
• Use intrusion detection software (IDS)
• Use scanners
• Distribute anti-virus software
• Regularly validate installed software inventories
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• Use clients with enhanced security capabilities
  for network access, and establish access rights
  via hardware-based security elements
• Implement a user administration system
• Establish rules for password selection on clients
• Perform security audits on a regular basis
• Have a clear policy for action when an employee
  leaves the company for any reason

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What the Future Holds

• As the battle to ensure the security of the
  corporate assets continues, as one vulnerability
  is reduced, the attackers seek and find another.
  And so the vicious cycle continues
• Be Proactive!!!!!!!!!

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• Any Question?